hwc_utils.cpp revision 80c4c237b0c148d0c0537772221add57e4a2fde9 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 * Copyright (C) 2012-2013, The Linux Foundation All rights reserved.
4 *
5 * Not a Contribution, Apache license notifications and license are retained
6 * for attribution purposes only.
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 *      http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20#define HWC_UTILS_DEBUG 0
21#include <sys/ioctl.h>
22#include <binder/IServiceManager.h>
23#include <EGL/egl.h>
24#include <cutils/properties.h>
25#include <gralloc_priv.h>
26#include <overlay.h>
27#include <overlayRotator.h>
28#include "hwc_utils.h"
29#include "hwc_mdpcomp.h"
30#include "hwc_fbupdate.h"
31#include "mdp_version.h"
32#include "hwc_copybit.h"
33#include "external.h"
34#include "hwc_qclient.h"
35#include "QService.h"
36#include "comptype.h"
37
38using namespace qClient;
39using namespace qService;
40using namespace android;
41using namespace overlay;
42using namespace overlay::utils;
43namespace ovutils = overlay::utils;
44
45namespace qhwc {
46
47static int openFramebufferDevice(hwc_context_t *ctx)
48{
49    struct fb_fix_screeninfo finfo;
50    struct fb_var_screeninfo info;
51
52    int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
53
54    if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1)
55        return -errno;
56
57    if (int(info.width) <= 0 || int(info.height) <= 0) {
58        // the driver doesn't return that information
59        // default to 160 dpi
60        info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
61        info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
62    }
63
64    float xdpi = (info.xres * 25.4f) / info.width;
65    float ydpi = (info.yres * 25.4f) / info.height;
66
67#ifdef MSMFB_METADATA_GET
68    struct msmfb_metadata metadata;
69    memset(&metadata, 0 , sizeof(metadata));
70    metadata.op = metadata_op_frame_rate;
71
72    if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
73        ALOGE("Error retrieving panel frame rate");
74        return -errno;
75    }
76
77    float fps  = metadata.data.panel_frame_rate;
78#else
79    //XXX: Remove reserved field usage on all baselines
80    //The reserved[3] field is used to store FPS by the driver.
81    float fps  = info.reserved[3] & 0xFF;
82#endif
83
84    if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1)
85        return -errno;
86
87    if (finfo.smem_len <= 0)
88        return -errno;
89
90    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
91    //xres, yres may not be 32 aligned
92    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
93    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
94    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
95    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
96    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
97    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
98
99    //Unblank primary on first boot
100    if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
101        ALOGE("%s: Failed to unblank display", __FUNCTION__);
102        return -errno;
103    }
104    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
105
106    return 0;
107}
108
109void initContext(hwc_context_t *ctx)
110{
111    if(openFramebufferDevice(ctx) < 0) {
112        ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
113    }
114
115    overlay::Overlay::initOverlay();
116    ctx->mOverlay = overlay::Overlay::getInstance();
117    ctx->mRotMgr = new RotMgr();
118    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
119    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
120    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
121    overlay::Overlay::initOverlay();
122    ctx->mOverlay = overlay::Overlay::getInstance();
123    ctx->mRotMgr = new RotMgr();
124
125    //Is created and destroyed only once for primary
126    //For external it could get created and destroyed multiple times depending
127    //on what external we connect to.
128    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
129        IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
130        HWC_DISPLAY_PRIMARY);
131
132    // Check if the target supports copybit compostion (dyn/mdp/c2d) to
133    // decide if we need to open the copybit module.
134    int compositionType =
135        qdutils::QCCompositionType::getInstance().getCompositionType();
136
137    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
138                           qdutils::COMPOSITION_TYPE_MDP |
139                           qdutils::COMPOSITION_TYPE_C2D)) {
140            ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
141    }
142
143    ctx->mExtDisplay = new ExternalDisplay(ctx);
144
145    for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
146        ctx->mLayerRotMap[i] = new LayerRotMap();
147    }
148
149    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
150         MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
151         HWC_DISPLAY_PRIMARY);
152
153    MDPComp::init(ctx);
154
155    ctx->vstate.enable = false;
156    ctx->vstate.fakevsync = false;
157    ctx->mExtDispConfiguring = false;
158    ctx->mBasePipeSetup = false;
159
160    //Right now hwc starts the service but anybody could do it, or it could be
161    //independent process as well.
162    QService::init();
163    sp<IQClient> client = new QClient(ctx);
164    interface_cast<IQService>(
165            defaultServiceManager()->getService(
166            String16("display.qservice")))->connect(client);
167
168    ALOGI("Initializing Qualcomm Hardware Composer");
169    ALOGI("MDP version: %d", ctx->mMDP.version);
170}
171
172void closeContext(hwc_context_t *ctx)
173{
174    if(ctx->mOverlay) {
175        delete ctx->mOverlay;
176        ctx->mOverlay = NULL;
177    }
178
179    if(ctx->mRotMgr) {
180        delete ctx->mRotMgr;
181        ctx->mRotMgr = NULL;
182    }
183
184    for(int i = 0; i < MAX_DISPLAYS; i++) {
185        if(ctx->mCopyBit[i]) {
186            delete ctx->mCopyBit[i];
187            ctx->mCopyBit[i] = NULL;
188        }
189    }
190
191    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
192        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
193        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
194    }
195
196    if(ctx->mExtDisplay) {
197        delete ctx->mExtDisplay;
198        ctx->mExtDisplay = NULL;
199    }
200
201    for(int i = 0; i < MAX_DISPLAYS; i++) {
202        if(ctx->mFBUpdate[i]) {
203            delete ctx->mFBUpdate[i];
204            ctx->mFBUpdate[i] = NULL;
205        }
206        if(ctx->mMDPComp[i]) {
207            delete ctx->mMDPComp[i];
208            ctx->mMDPComp[i] = NULL;
209        }
210        if(ctx->mLayerRotMap[i]) {
211            delete ctx->mLayerRotMap[i];
212            ctx->mLayerRotMap[i] = NULL;
213        }
214    }
215}
216
217
218void dumpsys_log(android::String8& buf, const char* fmt, ...)
219{
220    va_list varargs;
221    va_start(varargs, fmt);
222    buf.appendFormatV(fmt, varargs);
223    va_end(varargs);
224}
225
226/* Calculates the destination position based on the action safe rectangle */
227void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
228                           uint32_t& y, uint32_t& w, uint32_t& h) {
229
230    // if external supports underscan, do nothing
231    // it will be taken care in the driver
232    if(ctx->mExtDisplay->isCEUnderscanSupported())
233        return;
234
235    float wRatio = 1.0;
236    float hRatio = 1.0;
237    float xRatio = 1.0;
238    float yRatio = 1.0;
239
240    float fbWidth = ctx->dpyAttr[dpy].xres;
241    float fbHeight = ctx->dpyAttr[dpy].yres;
242
243    float asX = 0;
244    float asY = 0;
245    float asW = fbWidth;
246    float asH= fbHeight;
247    char value[PROPERTY_VALUE_MAX];
248
249    // Apply action safe parameters
250    property_get("hw.actionsafe.width", value, "0");
251    int asWidthRatio = atoi(value);
252    property_get("hw.actionsafe.height", value, "0");
253    int asHeightRatio = atoi(value);
254    // based on the action safe ratio, get the Action safe rectangle
255    asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
256    asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
257    asX = (fbWidth - asW) / 2;
258    asY = (fbHeight - asH) / 2;
259
260    // calculate the position ratio
261    xRatio = (float)x/fbWidth;
262    yRatio = (float)y/fbHeight;
263    wRatio = (float)w/fbWidth;
264    hRatio = (float)h/fbHeight;
265
266    //Calculate the position...
267    x = (xRatio * asW) + asX;
268    y = (yRatio * asH) + asY;
269    w = (wRatio * asW);
270    h = (hRatio * asH);
271
272    return;
273}
274
275bool needsScaling(hwc_layer_1_t const* layer) {
276    int dst_w, dst_h, src_w, src_h;
277
278    hwc_rect_t displayFrame  = layer->displayFrame;
279    hwc_rect_t sourceCrop = layer->sourceCrop;
280
281    dst_w = displayFrame.right - displayFrame.left;
282    dst_h = displayFrame.bottom - displayFrame.top;
283
284    src_w = sourceCrop.right - sourceCrop.left;
285    src_h = sourceCrop.bottom - sourceCrop.top;
286
287    if(((src_w != dst_w) || (src_h != dst_h)))
288        return true;
289
290    return false;
291}
292
293bool isAlphaScaled(hwc_layer_1_t const* layer) {
294    if(needsScaling(layer) && isAlphaPresent(layer)) {
295        return true;
296    }
297    return false;
298}
299
300bool isAlphaPresent(hwc_layer_1_t const* layer) {
301    private_handle_t *hnd = (private_handle_t *)layer->handle;
302    if(hnd) {
303        int format = hnd->format;
304        switch(format) {
305        case HAL_PIXEL_FORMAT_RGBA_8888:
306        case HAL_PIXEL_FORMAT_BGRA_8888:
307            // In any more formats with Alpha go here..
308            return true;
309        default : return false;
310        }
311    }
312    return false;
313}
314
315void setListStats(hwc_context_t *ctx,
316        const hwc_display_contents_1_t *list, int dpy) {
317
318    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
319    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
320    ctx->listStats[dpy].skipCount = 0;
321    ctx->listStats[dpy].needsAlphaScale = false;
322    ctx->listStats[dpy].preMultipliedAlpha = false;
323    ctx->listStats[dpy].planeAlpha = false;
324    ctx->listStats[dpy].yuvCount = 0;
325
326    for (size_t i = 0; i < list->numHwLayers; i++) {
327        hwc_layer_1_t const* layer = &list->hwLayers[i];
328        private_handle_t *hnd = (private_handle_t *)layer->handle;
329
330        //reset stored yuv index
331        ctx->listStats[dpy].yuvIndices[i] = -1;
332
333        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
334            continue;
335        //We disregard FB being skip for now! so the else if
336        } else if (isSkipLayer(&list->hwLayers[i])) {
337            ctx->listStats[dpy].skipCount++;
338        } else if (UNLIKELY(isYuvBuffer(hnd))) {
339            int& yuvCount = ctx->listStats[dpy].yuvCount;
340            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
341            yuvCount++;
342
343            if(layer->transform & HWC_TRANSFORM_ROT_90)
344                ctx->mNeedsRotator = true;
345        }
346        if(layer->blending == HWC_BLENDING_PREMULT)
347            ctx->listStats[dpy].preMultipliedAlpha = true;
348        if(layer->planeAlpha < 0xFF)
349            ctx->listStats[dpy].planeAlpha = true;
350        if(!ctx->listStats[dpy].needsAlphaScale)
351            ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
352    }
353}
354
355
356static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
357        float& rightCutRatio, float& bottomCutRatio, int orient) {
358    if(orient & HAL_TRANSFORM_FLIP_H) {
359        swap(leftCutRatio, rightCutRatio);
360    }
361    if(orient & HAL_TRANSFORM_FLIP_V) {
362        swap(topCutRatio, bottomCutRatio);
363    }
364    if(orient & HAL_TRANSFORM_ROT_90) {
365        //Anti clock swapping
366        float tmpCutRatio = leftCutRatio;
367        leftCutRatio = topCutRatio;
368        topCutRatio = rightCutRatio;
369        rightCutRatio = bottomCutRatio;
370        bottomCutRatio = tmpCutRatio;
371    }
372}
373
374bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
375    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
376       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
377        ctx->mSecuring) {
378        return true;
379    }
380    //  On A-Family, Secure policy is applied system wide and not on
381    //  buffers.
382    if (isSecureModePolicy(ctx->mMDP.version)) {
383        private_handle_t *hnd = (private_handle_t *)layer->handle;
384        if(ctx->mSecureMode) {
385            if (! isSecureBuffer(hnd)) {
386                // This code path executes for the following usecase:
387                // Some Apps in which first few seconds, framework
388                // sends non-secure buffer and with out destroying
389                // surfaces, switches to secure buffer thereby exposing
390                // vulnerability on A-family devices. Catch this situation
391                // and handle it gracefully by allowing it to be composed by
392                // GPU.
393                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
394                         "during secure playback gracefully", __FUNCTION__);
395                return true;
396            }
397        } else {
398            if (isSecureBuffer(hnd)) {
399                // This code path executes for the following usecase:
400                // For some Apps, when User terminates playback, Framework
401                // doesnt destroy video surface and video surface still
402                // comes to Display HAL. This exposes vulnerability on
403                // A-family. Catch this situation and handle it gracefully
404                // by allowing it to be composed by GPU.
405                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
406                         "during non-secure playback gracefully", __FUNCTION__);
407                return true;
408            }
409        }
410    }
411    return false;
412}
413
414bool isSecureModePolicy(int mdpVersion) {
415    if (mdpVersion < qdutils::MDSS_V5)
416        return true;
417    else
418        return false;
419}
420
421int getBlending(int blending) {
422    switch(blending) {
423    case HWC_BLENDING_NONE:
424        return overlay::utils::OVERLAY_BLENDING_OPAQUE;
425    case HWC_BLENDING_PREMULT:
426        return overlay::utils::OVERLAY_BLENDING_PREMULT;
427    case HWC_BLENDING_COVERAGE :
428    default:
429        return overlay::utils::OVERLAY_BLENDING_COVERAGE;
430    }
431}
432
433//Crops source buffer against destination and FB boundaries
434void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
435                          const hwc_rect_t& scissor, int orient) {
436
437    int& crop_l = crop.left;
438    int& crop_t = crop.top;
439    int& crop_r = crop.right;
440    int& crop_b = crop.bottom;
441    int crop_w = crop.right - crop.left;
442    int crop_h = crop.bottom - crop.top;
443
444    int& dst_l = dst.left;
445    int& dst_t = dst.top;
446    int& dst_r = dst.right;
447    int& dst_b = dst.bottom;
448    int dst_w = abs(dst.right - dst.left);
449    int dst_h = abs(dst.bottom - dst.top);
450
451    const int& sci_l = scissor.left;
452    const int& sci_t = scissor.top;
453    const int& sci_r = scissor.right;
454    const int& sci_b = scissor.bottom;
455    int sci_w = abs(sci_r - sci_l);
456    int sci_h = abs(sci_b - sci_t);
457
458    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
459            bottomCutRatio = 0.0f;
460
461    if(dst_l < sci_l) {
462        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
463        dst_l = sci_l;
464    }
465
466    if(dst_r > sci_r) {
467        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
468        dst_r = sci_r;
469    }
470
471    if(dst_t < sci_t) {
472        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
473        dst_t = sci_t;
474    }
475
476    if(dst_b > sci_b) {
477        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
478        dst_b = sci_b;
479    }
480
481    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
482    crop_l += crop_w * leftCutRatio;
483    crop_t += crop_h * topCutRatio;
484    crop_r -= crop_w * rightCutRatio;
485    crop_b -= crop_h * bottomCutRatio;
486}
487
488void getNonWormholeRegion(hwc_display_contents_1_t* list,
489                              hwc_rect_t& nwr)
490{
491    uint32_t last = list->numHwLayers - 1;
492    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
493    //Initiliaze nwr to first frame
494    nwr.left =  list->hwLayers[0].displayFrame.left;
495    nwr.top =  list->hwLayers[0].displayFrame.top;
496    nwr.right =  list->hwLayers[0].displayFrame.right;
497    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
498
499    for (uint32_t i = 1; i < last; i++) {
500        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
501        nwr.left   = min(nwr.left, displayFrame.left);
502        nwr.top    = min(nwr.top, displayFrame.top);
503        nwr.right  = max(nwr.right, displayFrame.right);
504        nwr.bottom = max(nwr.bottom, displayFrame.bottom);
505    }
506
507    //Intersect with the framebuffer
508    nwr.left   = max(nwr.left, fbDisplayFrame.left);
509    nwr.top    = max(nwr.top, fbDisplayFrame.top);
510    nwr.right  = min(nwr.right, fbDisplayFrame.right);
511    nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
512
513}
514
515bool isExternalActive(hwc_context_t* ctx) {
516    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
517}
518
519void closeAcquireFds(hwc_display_contents_1_t* list) {
520    if(LIKELY(list)) {
521        for(uint32_t i = 0; i < list->numHwLayers; i++) {
522            //Close the acquireFenceFds
523            //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
524            if(list->hwLayers[i].acquireFenceFd >= 0) {
525                close(list->hwLayers[i].acquireFenceFd);
526                list->hwLayers[i].acquireFenceFd = -1;
527            }
528        }
529    }
530}
531
532int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
533        int fd) {
534    int ret = 0;
535
536    int acquireFd[MAX_NUM_LAYERS];
537    int count = 0;
538    int releaseFd = -1;
539    int fbFd = -1;
540    int rotFd = -1;
541    bool swapzero = false;
542    int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
543
544    struct mdp_buf_sync data;
545    memset(&data, 0, sizeof(data));
546    //Until B-family supports sync for rotator
547    if(mdpVersion >= qdutils::MDSS_V5) {
548        data.flags = MDP_BUF_SYNC_FLAG_WAIT;
549    }
550    data.acq_fen_fd = acquireFd;
551    data.rel_fen_fd = &releaseFd;
552
553    char property[PROPERTY_VALUE_MAX];
554    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
555        if(atoi(property) == 0)
556            swapzero = true;
557    }
558
559#ifndef MDSS_TARGET
560    //Send acquireFenceFds to rotator
561    if(mdpVersion < qdutils::MDSS_V5) {
562        //A-family
563        int rotFd = ctx->mRotMgr->getRotDevFd();
564        struct msm_rotator_buf_sync rotData;
565
566        for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
567            memset(&rotData, 0, sizeof(rotData));
568            int& acquireFenceFd =
569                ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
570            rotData.acq_fen_fd = acquireFenceFd;
571            rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
572            ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
573            close(acquireFenceFd);
574             //For MDP to wait on.
575            acquireFenceFd = dup(rotData.rel_fen_fd);
576            //A buffer is free to be used by producer as soon as its copied to
577            //rotator.
578            ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
579                    rotData.rel_fen_fd;
580        }
581    } else {
582        //TODO B-family
583    }
584
585#endif
586    //Accumulate acquireFenceFds for MDP
587    for(uint32_t i = 0; i < list->numHwLayers; i++) {
588        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
589                        list->hwLayers[i].acquireFenceFd >= 0) {
590            if(UNLIKELY(swapzero))
591                acquireFd[count++] = -1;
592            else
593                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
594        }
595        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
596            if(UNLIKELY(swapzero))
597                acquireFd[count++] = -1;
598            else if(fd >= 0) {
599                //set the acquireFD from fd - which is coming from c2d
600                acquireFd[count++] = fd;
601                // Buffer sync IOCTL should be async when using c2d fence is
602                // used
603                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
604            } else if(list->hwLayers[i].acquireFenceFd >= 0)
605                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
606        }
607    }
608
609    data.acq_fen_fd_cnt = count;
610    fbFd = ctx->dpyAttr[dpy].fd;
611
612    //Waits for acquire fences, returns a release fence
613    if(LIKELY(!swapzero)) {
614        uint64_t start = systemTime();
615        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
616        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
617                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
618    }
619
620    if(ret < 0) {
621        ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
622                strerror(errno));
623    }
624
625    for(uint32_t i = 0; i < list->numHwLayers; i++) {
626        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
627           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
628            //Populate releaseFenceFds.
629            if(UNLIKELY(swapzero)) {
630                list->hwLayers[i].releaseFenceFd = -1;
631            } else if(list->hwLayers[i].releaseFenceFd < 0) {
632                //If rotator has not already populated this field.
633                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
634            }
635        }
636    }
637
638    if(fd >= 0) {
639        close(fd);
640        fd = -1;
641    }
642
643    if (ctx->mCopyBit[dpy])
644        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
645
646    //A-family
647    if(mdpVersion < qdutils::MDSS_V5) {
648        //Signals when MDP finishes reading rotator buffers.
649        ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
650    }
651
652    if(UNLIKELY(swapzero)){
653        list->retireFenceFd = -1;
654        close(releaseFd);
655    } else {
656        list->retireFenceFd = releaseFd;
657    }
658
659    return ret;
660}
661
662void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
663        hwc_rect_t& crop, hwc_rect_t& dst) {
664    int hw_w = ctx->dpyAttr[dpy].xres;
665    int hw_h = ctx->dpyAttr[dpy].yres;
666    if(dst.left < 0 || dst.top < 0 ||
667            dst.right > hw_w || dst.bottom > hw_h) {
668        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
669        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
670    }
671}
672
673void setMdpFlags(hwc_layer_1_t *layer,
674        ovutils::eMdpFlags &mdpFlags,
675        int rotDownscale) {
676    private_handle_t *hnd = (private_handle_t *)layer->handle;
677    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
678    const int& transform = layer->transform;
679
680    if(layer->blending == HWC_BLENDING_PREMULT) {
681        ovutils::setMdpFlags(mdpFlags,
682                ovutils::OV_MDP_BLEND_FG_PREMULT);
683    }
684
685    if(isYuvBuffer(hnd)) {
686        if(isSecureBuffer(hnd)) {
687            ovutils::setMdpFlags(mdpFlags,
688                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
689        }
690        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
691                metadata->interlaced) {
692            ovutils::setMdpFlags(mdpFlags,
693                    ovutils::OV_MDP_DEINTERLACE);
694        }
695        //Pre-rotation will be used using rotator.
696        if(transform & HWC_TRANSFORM_ROT_90) {
697            ovutils::setMdpFlags(mdpFlags,
698                    ovutils::OV_MDP_SOURCE_ROTATED_90);
699        }
700    }
701
702    //No 90 component and no rot-downscale then flips done by MDP
703    //If we use rot then it might as well do flips
704    if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
705        if(layer->transform & HWC_TRANSFORM_FLIP_H) {
706            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
707        }
708
709        if(layer->transform & HWC_TRANSFORM_FLIP_V) {
710            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
711        }
712    }
713
714    if(metadata &&
715        ((metadata->operation & PP_PARAM_HSIC)
716        || (metadata->operation & PP_PARAM_IGC)
717        || (metadata->operation & PP_PARAM_SHARP2))) {
718        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
719    }
720}
721
722static inline int configRotator(Rotator *rot, const Whf& whf,
723        const eMdpFlags& mdpFlags, const eTransform& orient,
724        const int& downscale) {
725    rot->setSource(whf);
726    rot->setFlags(mdpFlags);
727    rot->setTransform(orient);
728    rot->setDownscale(downscale);
729    if(!rot->commit()) return -1;
730    return 0;
731}
732
733/*
734 * Sets up BORDERFILL as default base pipe and detaches RGB0.
735 * Framebuffer is always updated using PLAY ioctl.
736 */
737bool setupBasePipe(hwc_context_t *ctx) {
738    const int dpy = HWC_DISPLAY_PRIMARY;
739    int fb_stride = ctx->dpyAttr[dpy].stride;
740    int fb_width = ctx->dpyAttr[dpy].xres;
741    int fb_height = ctx->dpyAttr[dpy].yres;
742    int fb_fd = ctx->dpyAttr[dpy].fd;
743
744    mdp_overlay ovInfo;
745    msmfb_overlay_data ovData;
746    memset(&ovInfo, 0, sizeof(mdp_overlay));
747    memset(&ovData, 0, sizeof(msmfb_overlay_data));
748
749    ovInfo.src.format = MDP_RGB_BORDERFILL;
750    ovInfo.src.width  = fb_width;
751    ovInfo.src.height = fb_height;
752    ovInfo.src_rect.w = fb_width;
753    ovInfo.src_rect.h = fb_height;
754    ovInfo.dst_rect.w = fb_width;
755    ovInfo.dst_rect.h = fb_height;
756    ovInfo.id = MSMFB_NEW_REQUEST;
757
758    if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
759        ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
760                strerror(errno));
761        return false;
762    }
763
764    ovData.id = ovInfo.id;
765    if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
766        ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
767                strerror(errno));
768        return false;
769    }
770    ctx->mBasePipeSetup = true;
771    return true;
772}
773
774
775static inline int configMdp(Overlay *ov, const PipeArgs& parg,
776        const eTransform& orient, const hwc_rect_t& crop,
777        const hwc_rect_t& pos, const MetaData_t *metadata,
778        const eDest& dest) {
779    ov->setSource(parg, dest);
780    ov->setTransform(orient, dest);
781
782    int crop_w = crop.right - crop.left;
783    int crop_h = crop.bottom - crop.top;
784    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
785    ov->setCrop(dcrop, dest);
786
787    int posW = pos.right - pos.left;
788    int posH = pos.bottom - pos.top;
789    Dim position(pos.left, pos.top, posW, posH);
790    ov->setPosition(position, dest);
791
792    if (metadata)
793        ov->setVisualParams(*metadata, dest);
794
795    if (!ov->commit(dest)) {
796        return -1;
797    }
798    return 0;
799}
800
801static inline void updateSource(eTransform& orient, Whf& whf,
802        hwc_rect_t& crop) {
803    Dim srcCrop(crop.left, crop.top,
804            crop.right - crop.left,
805            crop.bottom - crop.top);
806    //getMdpOrient will switch the flips if the source is 90 rotated.
807    //Clients in Android dont factor in 90 rotation while deciding the flip.
808    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
809    preRotateSource(orient, whf, srcCrop);
810    crop.left = srcCrop.x;
811    crop.top = srcCrop.y;
812    crop.right = srcCrop.x + srcCrop.w;
813    crop.bottom = srcCrop.y + srcCrop.h;
814}
815
816int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
817        const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
818        const eIsFg& isFg, const eDest& dest, Rotator **rot) {
819
820    private_handle_t *hnd = (private_handle_t *)layer->handle;
821    if(!hnd) {
822        ALOGE("%s: layer handle is NULL", __FUNCTION__);
823        return -1;
824    }
825
826    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
827
828    hwc_rect_t crop = layer->sourceCrop;
829    hwc_rect_t dst = layer->displayFrame;
830    int transform = layer->transform;
831    eTransform orient = static_cast<eTransform>(transform);
832    int downscale = 0;
833    int rotFlags = ovutils::ROT_FLAGS_NONE;
834    Whf whf(hnd->width, hnd->height,
835            getMdpFormat(hnd->format), hnd->size);
836
837    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
838       ctx->mMDP.version < qdutils::MDSS_V5) {
839        downscale =  getDownscaleFactor(
840            crop.right - crop.left,
841            crop.bottom - crop.top,
842            dst.right - dst.left,
843            dst.bottom - dst.top);
844        if(downscale) {
845            rotFlags = ROT_DOWNSCALE_ENABLED;
846        }
847    }
848
849    setMdpFlags(layer, mdpFlags, downscale);
850    trimLayer(ctx, dpy, transform, crop, dst);
851
852    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
853            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
854        *rot = ctx->mRotMgr->getNext();
855        if(*rot == NULL) return -1;
856        //Configure rotator for pre-rotation
857        if(configRotator(*rot, whf, mdpFlags, orient, downscale) < 0)
858            return -1;
859        ctx->mLayerRotMap[dpy]->add(layer, *rot);
860        whf.format = (*rot)->getDstFormat();
861        updateSource(orient, whf, crop);
862        rotFlags |= ovutils::ROT_PREROTATED;
863    }
864
865    //For the mdp, since either we are pre-rotating or MDP does flips
866    orient = OVERLAY_TRANSFORM_0;
867    transform = 0;
868
869    PipeArgs parg(mdpFlags, whf, z, isFg,
870                  static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
871                  (ovutils::eBlending) getBlending(layer->blending));
872
873    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
874        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
875        return -1;
876    }
877    return 0;
878}
879
880int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
881        const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
882        const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
883        Rotator **rot) {
884    private_handle_t *hnd = (private_handle_t *)layer->handle;
885    if(!hnd) {
886        ALOGE("%s: layer handle is NULL", __FUNCTION__);
887        return -1;
888    }
889
890    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
891
892    int hw_w = ctx->dpyAttr[dpy].xres;
893    int hw_h = ctx->dpyAttr[dpy].yres;
894    hwc_rect_t crop = layer->sourceCrop;
895    hwc_rect_t dst = layer->displayFrame;
896    int transform = layer->transform;
897    eTransform orient = static_cast<eTransform>(transform);
898    const int downscale = 0;
899    int rotFlags = ROT_FLAGS_NONE;
900
901    Whf whf(hnd->width, hnd->height,
902            getMdpFormat(hnd->format), hnd->size);
903
904    setMdpFlags(layer, mdpFlagsL);
905    trimLayer(ctx, dpy, transform, crop, dst);
906
907    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
908        (*rot) = ctx->mRotMgr->getNext();
909        if((*rot) == NULL) return -1;
910        //Configure rotator for pre-rotation
911        if(configRotator(*rot, whf, mdpFlagsL, orient, downscale) < 0)
912            return -1;
913        ctx->mLayerRotMap[dpy]->add(layer, *rot);
914        whf.format = (*rot)->getDstFormat();
915        updateSource(orient, whf, crop);
916        rotFlags |= ROT_PREROTATED;
917    }
918
919    eMdpFlags mdpFlagsR = mdpFlagsL;
920    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
921
922    hwc_rect_t tmp_cropL, tmp_dstL;
923    hwc_rect_t tmp_cropR, tmp_dstR;
924
925    if(lDest != OV_INVALID) {
926        tmp_cropL = crop;
927        tmp_dstL = dst;
928        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
929        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
930    }
931    if(rDest != OV_INVALID) {
932        tmp_cropR = crop;
933        tmp_dstR = dst;
934        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
935        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
936    }
937
938    //When buffer is flipped, contents of mixer config also needs to swapped.
939    //Not needed if the layer is confined to one half of the screen.
940    //If rotator has been used then it has also done the flips, so ignore them.
941    if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
942            && rDest != OV_INVALID && rot == NULL) {
943        hwc_rect_t new_cropR;
944        new_cropR.left = tmp_cropL.left;
945        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
946
947        hwc_rect_t new_cropL;
948        new_cropL.left  = new_cropR.right;
949        new_cropL.right = tmp_cropR.right;
950
951        tmp_cropL.left =  new_cropL.left;
952        tmp_cropL.right =  new_cropL.right;
953
954        tmp_cropR.left = new_cropR.left;
955        tmp_cropR.right =  new_cropR.right;
956
957    }
958
959    //For the mdp, since either we are pre-rotating or MDP does flips
960    orient = OVERLAY_TRANSFORM_0;
961    transform = 0;
962
963    //configure left mixer
964    if(lDest != OV_INVALID) {
965        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
966                       static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
967                       (ovutils::eBlending) getBlending(layer->blending));
968
969        if(configMdp(ctx->mOverlay, pargL, orient,
970                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
971            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
972            return -1;
973        }
974    }
975
976    //configure right mixer
977    if(rDest != OV_INVALID) {
978        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
979                static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
980                (ovutils::eBlending) getBlending(layer->blending));
981
982        tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
983        tmp_dstR.left = 0;
984        if(configMdp(ctx->mOverlay, pargR, orient,
985                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
986            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
987            return -1;
988        }
989    }
990
991    return 0;
992}
993
994void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
995    if(mCount >= MAX_SESS) return;
996    mLayer[mCount] = layer;
997    mRot[mCount] = rot;
998    mCount++;
999}
1000
1001void LayerRotMap::reset() {
1002    for (int i = 0; i < MAX_SESS; i++) {
1003        mLayer[i] = 0;
1004        mRot[i] = 0;
1005    }
1006    mCount = 0;
1007}
1008
1009void LayerRotMap::setReleaseFd(const int& fence) {
1010    for(uint32_t i = 0; i < mCount; i++) {
1011        mRot[i]->setReleaseFd(dup(fence));
1012    }
1013}
1014
1015};//namespace qhwc
1016